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‎.gitignore

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# Binaries for programs and plugins
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*.exe
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*.exe~
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*.dll
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*.so
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*.dylib
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# Test binary, built with `go test -c`
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*.test
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# Output of the go coverage tool, specifically when used with LiteIDE
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*.out
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# Dependency directories (remove the comment below to include it)
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# vendor/

‎LICENSE

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MIT License
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Copyright (c) 2022, Render Developers
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.

‎README.md

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# Temporal
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This is a template for running a production-ready Temporal cluster on Render. The setup supports independent autoscaling for each Temporal service (frontend, matching, history, worker), has [advanced visibility](https://docs.temporal.io/docs/content/what-is-advanced-visibility/) backed by Elasticsearch, and includes an example Go app to trigger and run workflows. Create a new repo using this template, and then click the button below to try it out:
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[![Deploy to Render](https://render.com/images/deploy-to-render-button.svg)](https://render.com/deploy)
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For deploy instructions, see our [Temporal guide](https://render.com/docs/deploy-temporal).
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# Acknowledgements
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[auto-setup-override.sh](temporal-cluster/server/auto-setup/auto-setup-override.sh) is based on Temporal's [auto-setup.sh script](https://github.com/temporalio/temporal/blob/077d39c775/docker/auto-setup.sh), with some modifications made to better accommodate Render's architecture.

‎assets/temporal-shell.png

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‎assets/worker-logs.png

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‎render.yaml

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databases:
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- name: temporal-db
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databaseName: temporal
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user: temporal
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plan: Starter
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region: oregon
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envVarGroups:
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- name: temporal-shared
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envVars:
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- key: DYNAMIC_CONFIG_FILE_PATH
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value: /etc/temporal/dynamicconfig_es.yaml
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- key: ENABLE_ES
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value: true
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- key: ES_VERSION
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value: v7
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- key: ES_USER
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value: elastic
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- key: DB
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value: postgresql
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services:
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- type: pserv
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name: temporal-elasticsearch
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autoDeploy: false
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plan: Starter
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region: oregon
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env: docker
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dockerfilePath: ./temporal-cluster/elasticsearch/Dockerfile
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envVars:
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- key: PORT
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value: 9200
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- key: ES_JAVA_OPTS
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value: "-Xms100m -Xmx100m"
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- key: xpack.security.enabled
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value: true
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- key: ELASTIC_PASSWORD
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generateValue: true
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- key: cluster.routing.allocation.disk.threshold_enabled
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value: true
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- key: cluster.routing.allocation.disk.watermark.low
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value: 512mb
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- key: cluster.routing.allocation.disk.watermark.high
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value: 256mb
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- key: cluster.routing.allocation.disk.watermark.flood_stage
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value: 128mb
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- key: discovery.type
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value: single-node
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- type: pserv
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name: temporal-frontend
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autoDeploy: false
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plan: Starter
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region: oregon
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env: docker
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dockerfilePath: ./temporal-cluster/server/auto-setup/Dockerfile
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scaling:
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minInstances: 1
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maxInstances: 3
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targetMemoryPercent: 80
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targetCPUPercent: 80
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envVars:
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- fromGroup: temporal-shared
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- key: SERVICES
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value: frontend
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- key: SKIP_POSTGRES_DB_CREATION
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value: true
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- key: SKIP_VISIBILITY_DB_SETUP
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value: true
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- key: ES_SEEDS
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fromService:
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name: temporal-elasticsearch
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type: pserv
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property: host
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- key: ES_PWD
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fromService:
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name: temporal-elasticsearch
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type: pserv
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envVarKey: ELASTIC_PASSWORD
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- key: DBNAME
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fromDatabase:
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name: temporal-db
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property: database
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- key: DB_PORT
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fromDatabase:
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name: temporal-db
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property: port
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- key: POSTGRES_USER
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fromDatabase:
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name: temporal-db
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property: user
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- key: POSTGRES_PWD
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fromDatabase:
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name: temporal-db
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property: password
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- key: POSTGRES_SEEDS
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fromDatabase:
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name: temporal-db
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property: host
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- type: pserv
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name: temporal-history
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autoDeploy: false
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plan: Starter
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region: oregon
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env: docker
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dockerfilePath: ./temporal-cluster/server/Dockerfile
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scaling:
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minInstances: 1
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maxInstances: 3
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targetMemoryPercent: 80
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targetCPUPercent: 80
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envVars:
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- fromGroup: temporal-shared
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- key: SERVICES
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value: history
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- key: TEMPORAL_FRONTEND_HOST
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fromService:
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name: temporal-frontend
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type: pserv
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property: host
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- key: ES_SEEDS
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fromService:
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name: temporal-elasticsearch
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type: pserv
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property: host
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- key: ES_PWD
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fromService:
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name: temporal-elasticsearch
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type: pserv
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envVarKey: ELASTIC_PASSWORD
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- key: DBNAME
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fromDatabase:
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name: temporal-db
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property: database
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- key: POSTGRES_USER
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fromDatabase:
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name: temporal-db
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property: user
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- key: POSTGRES_PWD
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fromDatabase:
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name: temporal-db
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property: password
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- key: POSTGRES_SEEDS
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fromDatabase:
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name: temporal-db
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property: host
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- type: pserv
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name: temporal-matching
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autoDeploy: false
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plan: Starter
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region: oregon
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env: docker
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dockerfilePath: ./temporal-cluster/server/Dockerfile
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scaling:
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minInstances: 1
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maxInstances: 3
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targetMemoryPercent: 80
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targetCPUPercent: 80
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envVars:
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- fromGroup: temporal-shared
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- key: SERVICES
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value: matching
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- key: TEMPORAL_FRONTEND_HOST
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fromService:
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name: temporal-frontend
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type: pserv
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property: host
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- key: ES_SEEDS
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fromService:
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name: temporal-elasticsearch
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type: pserv
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property: host
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- key: ES_PWD
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fromService:
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name: temporal-elasticsearch
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type: pserv
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envVarKey: ELASTIC_PASSWORD
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- key: DBNAME
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fromDatabase:
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name: temporal-db
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property: database
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- key: POSTGRES_USER
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fromDatabase:
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name: temporal-db
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property: user
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- key: POSTGRES_PWD
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fromDatabase:
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name: temporal-db
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property: password
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- key: POSTGRES_SEEDS
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fromDatabase:
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name: temporal-db
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property: host
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- type: pserv
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autoDeploy: false
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name: temporal-worker
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plan: Starter
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region: oregon
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env: docker
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dockerfilePath: ./temporal-cluster/server/Dockerfile
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scaling:
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minInstances: 1
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maxInstances: 3
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targetMemoryPercent: 80
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targetCPUPercent: 80
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envVars:
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- fromGroup: temporal-shared
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# The worker service needs to wait for the history service to be up first,
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# otherwise it will fail with "error starting scanner".
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- key: DEPENDS_ON_HISTORY
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fromService:
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name: temporal-history
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type: pserv
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property: host
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- key: SERVICES
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value: worker
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- key: TEMPORAL_FRONTEND_HOST
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fromService:
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name: temporal-frontend
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type: pserv
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property: host
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- key: ES_SEEDS
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fromService:
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name: temporal-elasticsearch
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type: pserv
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property: host
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- key: ES_PWD
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fromService:
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name: temporal-elasticsearch
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type: pserv
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envVarKey: ELASTIC_PASSWORD
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- key: DBNAME
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fromDatabase:
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name: temporal-db
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property: database
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- key: POSTGRES_USER
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fromDatabase:
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name: temporal-db
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property: user
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- key: POSTGRES_PWD
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fromDatabase:
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name: temporal-db
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property: password
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- key: POSTGRES_SEEDS
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fromDatabase:
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name: temporal-db
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property: host
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- type: web
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name: temporal-ui
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autoDeploy: false
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plan: Starter
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region: oregon
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env: docker
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dockerfilePath: ./temporal-cluster/web/Dockerfile
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envVars:
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- key: PORT
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value: 8088
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- key: TEMPORAL_PERMIT_WRITE_API
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value: true
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- key: TEMPORAL_GRPC_HOST
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fromService:
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name: temporal-frontend
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type: pserv
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property: host
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- type: web
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repo: https://github.com/render-examples/sample-temporal-app
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name: app-workflow-trigger
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plan: Starter
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region: oregon
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env: go
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buildCommand: go build start/main.go
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startCommand: ./main
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envVars:
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- key: TEMPORAL_CLUSTER_HOST
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fromService:
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name: temporal-frontend
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type: pserv
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property: host
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- type: worker
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repo: https://github.com/render-examples/sample-temporal-app
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name: app-worker
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plan: Starter
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region: oregon
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env: go
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buildCommand: go build worker/main.go
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startCommand: ./main
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envVars:
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- key: TEMPORAL_CLUSTER_HOST
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fromService:
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name: temporal-frontend
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type: pserv
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property: host

‎temporal-cluster/elasticsearch/Dockerfile

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# The official Elasticsearch Docker image
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FROM docker.elastic.co/elasticsearch/elasticsearch:7.16.2
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# Copy our config file over
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COPY --chown=1000:0 temporal-cluster/elasticsearch/elasticsearch.yml /usr/share/elasticsearch/config/elasticsearch.yml
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# Allow Elasticsearch to create `elasticsearch.keystore`
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# to circumvent https://github.com/elastic/ansible-elasticsearch/issues/430
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RUN chmod g+ws /usr/share/elasticsearch/config
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USER 1000:0

‎temporal-cluster/elasticsearch/elasticsearch.yml

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cluster.name: "elastic"
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# bind to all network interfaces
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network.host: 0.0.0.0

‎temporal-cluster/server/.bashrc

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export TEMPORAL_CLI_ADDRESS=${TEMPORAL_FRONTEND_HOST:-$RENDER_SERVICE_NAME}:7233

‎temporal-cluster/server/Dockerfile

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FROM temporalio/server:1.14.3
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COPY temporal-cluster/server/dynamicconfig.yaml /etc/temporal/dynamicconfig.yaml
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COPY temporal-cluster/server/dynamicconfig_es.yaml /etc/temporal/dynamicconfig_es.yaml
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COPY temporal-cluster/server/config_template.yaml /etc/temporal/config/config_template.yaml
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COPY temporal-cluster/server/.bashrc /home/temporal/.bashrc
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ENTRYPOINT ["bash", "-c", "PUBLIC_FRONTEND_ADDRESS=$TEMPORAL_FRONTEND_HOST:7233 /etc/temporal/entrypoint.sh"]

‎temporal-cluster/server/LICENSE

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MIT License
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Copyright (c) 2020 temporal.io
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.

‎temporal-cluster/server/auto-setup/Dockerfile

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FROM temporalio/auto-setup:1.14.3
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COPY temporal-cluster/server/dynamicconfig.yaml /etc/temporal/dynamicconfig.yaml
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COPY temporal-cluster/server/dynamicconfig_es.yaml /etc/temporal/dynamicconfig_es.yaml
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COPY temporal-cluster/server/config_template.yaml /etc/temporal/config/config_template.yaml
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COPY temporal-cluster/server/auto-setup/auto-setup-override.sh /etc/temporal/auto-setup.sh
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COPY temporal-cluster/server/.bashrc /home/temporal/.bashrc

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